49940968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 130636800

約数和(自身を除く): 80695832

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 19, 22, 28, 34, 38, 44, 56, 68, 76, 77, 88, 119, 133, 136, 152, 154, 187, 209, 238, 251, 266, 308, 323, 374, 418, 476, 502, 532, 616, 646, 748, 836, 952, 1004, 1064, 1292, 1309, 1463, 1496, 1672, 1757, 2008, 2261, 2584, 2618, 2761, 2926, 3514, 3553, 4267, 4522, 4769, 5236, 5522, 5852, 7028, 7106, 8534, 9044, 9538, 10472, 11044, 11704, 14056, 14212, 17068, 18088, 19076, 19327, 22088, 24871, 28424, 29869, 33383, 34136, 38152, 38654, 46937, 49742, 52459, 59738, 66766, 77308, 81073, 93874, 99484, 104918, 119476, 133532, 154616, 162146, 187748, 198968, 209836, 238952, 267064, 324292, 328559, 367213, 375496, 419672, 567511, 648584, 657118, 734426, 891803, 1135022, 1314236, 1468852, 1783606, 2270044, 2628472, 2937704, 3567212, 4540088, 6242621, 7134424, 12485242, 24970484, 49940968]

約数ペア:

[(1, 49940968), (2, 24970484), (4, 12485242), (7, 7134424), (8, 6242621), (11, 4540088), (14, 3567212), (17, 2937704), (19, 2628472), (22, 2270044), (28, 1783606), (34, 1468852), (38, 1314236), (44, 1135022), (56, 891803), (68, 734426), (76, 657118), (77, 648584), (88, 567511), (119, 419672), (133, 375496), (136, 367213), (152, 328559), (154, 324292), (187, 267064), (209, 238952), (238, 209836), (251, 198968), (266, 187748), (308, 162146), (323, 154616), (374, 133532), (418, 119476), (476, 104918), (502, 99484), (532, 93874), (616, 81073), (646, 77308), (748, 66766), (836, 59738), (952, 52459), (1004, 49742), (1064, 46937), (1292, 38654), (1309, 38152), (1463, 34136), (1496, 33383), (1672, 29869), (1757, 28424), (2008, 24871), (2261, 22088), (2584, 19327), (2618, 19076), (2761, 18088), (2926, 17068), (3514, 14212), (3553, 14056), (4267, 11704), (4522, 11044), (4769, 10472), (5236, 9538), (5522, 9044), (5852, 8534), (7028, 7106)]